CorpActnInstrStsAdvc
                Mandatory
                InstrId
                Optional
                OthrDocId
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                InstrPrcgSts
                Repetition (1..n)
                CorpActnInstr
                Optional
                PrtctInstr
                Optional
                TxTp
                Mandatory
                PrtctTxSts
                Optional
                Optional
                PrtctSfkpgAcct
                Optional
                PrtctDt
                Optional
                Uncovered Protect Quantity
UcvrdPrtctQty
                Optional
                Definition: Remaining quantity of protect instruction which has not been covered.
Type: FinancialInstrumentQuantity18Choice
Unit
                Choice
                FaceAmt
                Choice
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)